Description It is a physics balance bird experiment tool for students, which is made of premium wood for and safe use. This professional experiment kit for physics teaching can train the student's practical ability and their interest in learning.-physics experiment diy Features - Color: wood color - Material: Wood - Size: 16.00X15.00X1.50cm/6.29X5.89X0.59in - Made from premium and safe wood with smooth surface, not hurt your hand.-balancing bird -The product effectively plays the function of manual DIY scientific experiment equipment.-kids science kits - Stimulate imagination, action ability to the interest in learning.-balance toy bird - It is simple design but practical in use, bringing much convenience to you.-birds toys - Good for school teaching tool, learning display, and collectibles.-wood balance birds Promote the student's understanding of basic gravity knowledge. -physics experiment material Stimulate imagination, action ability to the interest in learning.-balance bird figure Mainly used in lever gravity experiments of junior high school.-balancing birds Made from premium and safe wood with smooth surface, not hurt your hand.-mechanics experiment diy Portable design and compact size, easy for you to carry and store.-science experiment